40918040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2551}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 92331360

約数和(自身を除く): 51413320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2551, 3208, 4010, 5102, 8020, 10204, 12755, 16040, 20408, 25510, 51020, 102040, 1022951, 2045902, 4091804, 5114755, 8183608, 10229510, 20459020, 40918040]

約数ペア:

[(1, 40918040), (2, 20459020), (4, 10229510), (5, 8183608), (8, 5114755), (10, 4091804), (20, 2045902), (40, 1022951), (401, 102040), (802, 51020), (1604, 25510), (2005, 20408), (2551, 16040), (3208, 12755), (4010, 10204), (5102, 8020)]